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Finding the Third Proportional to 261,515,332,887 and 373,967,371,372.50

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Solution

The third proportional to 261,515,332,887 and 373,967,371,372.50 is: 534,773,977,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,515,332,887 : 373,967,371,372.50 = 373,967,371,372.50 : x
  2. Step 2: Convert to fraction form
    261,515,332,887/373,967,371,372.50 = 373,967,371,372.50/x
  3. Step 3: Cross multiply
    261,515,332,887x = 373,967,371,372.50 × 373,967,371,372.50
  4. Step 4: Simplify right side
    261,515,332,887x = 139,851,594,851,257,335,939,072
  5. Step 5: Solve for x
    x = 139,851,594,851,257,335,939,072/261,515,332,887
  6. Step 6: Final answer
    x = 534,773,977,905.48

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.