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Finding the Third Proportional to 58,489,989 and 81,768,397.50

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Solution

The third proportional to 58,489,989 and 81,768,397.50 is: 114,311,370.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,489,989 : 81,768,397.50 = 81,768,397.50 : x
  2. Step 2: Convert to fraction form
    58,489,989/81,768,397.50 = 81,768,397.50/x
  3. Step 3: Cross multiply
    58,489,989x = 81,768,397.50 × 81,768,397.50
  4. Step 4: Simplify right side
    58,489,989x = 6,686,070,829,718,006
  5. Step 5: Solve for x
    x = 6,686,070,829,718,006/58,489,989
  6. Step 6: Final answer
    x = 114,311,370.95

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.