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Finding the Third Proportional to 449,139,509 and 977,366,918

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Solution

The third proportional to 449,139,509 and 977,366,918 is: 2,126,836,034.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,139,509 : 977,366,918 = 977,366,918 : x
  2. Step 2: Convert to fraction form
    449,139,509/977,366,918 = 977,366,918/x
  3. Step 3: Cross multiply
    449,139,509x = 977,366,918 × 977,366,918
  4. Step 4: Simplify right side
    449,139,509x = 955,246,092,400,818,688
  5. Step 5: Solve for x
    x = 955,246,092,400,818,688/449,139,509
  6. Step 6: Final answer
    x = 2,126,836,034.82

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.