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Finding the Third Proportional to 207,318,570 and 453,684,180

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Solution

The third proportional to 207,318,570 and 453,684,180 is: 992,816,683.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,318,570 : 453,684,180 = 453,684,180 : x
  2. Step 2: Convert to fraction form
    207,318,570/453,684,180 = 453,684,180/x
  3. Step 3: Cross multiply
    207,318,570x = 453,684,180 × 453,684,180
  4. Step 4: Simplify right side
    207,318,570x = 205,829,335,182,272,384
  5. Step 5: Solve for x
    x = 205,829,335,182,272,384/207,318,570
  6. Step 6: Final answer
    x = 992,816,683.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.