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Finding the Third Proportional to 40,721,688 and 87,272,568

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Solution

The third proportional to 40,721,688 and 87,272,568 is: 187,037,952.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,721,688 : 87,272,568 = 87,272,568 : x
  2. Step 2: Convert to fraction form
    40,721,688/87,272,568 = 87,272,568/x
  3. Step 3: Cross multiply
    40,721,688x = 87,272,568 × 87,272,568
  4. Step 4: Simplify right side
    40,721,688x = 7,616,501,125,314,624
  5. Step 5: Solve for x
    x = 7,616,501,125,314,624/40,721,688
  6. Step 6: Final answer
    x = 187,037,952.00

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.