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Finding the Third Proportional to 621,570,731 and 932,127,856

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Solution

The third proportional to 621,570,731 and 932,127,856 is: 1,397,849,507.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,570,731 : 932,127,856 = 932,127,856 : x
  2. Step 2: Convert to fraction form
    621,570,731/932,127,856 = 932,127,856/x
  3. Step 3: Cross multiply
    621,570,731x = 932,127,856 × 932,127,856
  4. Step 4: Simplify right side
    621,570,731x = 868,862,339,931,156,736
  5. Step 5: Solve for x
    x = 868,862,339,931,156,736/621,570,731
  6. Step 6: Final answer
    x = 1,397,849,507.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.