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Finding the Third Proportional to 40,837,790 and 63,264,432

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Solution

The third proportional to 40,837,790 and 63,264,432 is: 98,006,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,837,790 : 63,264,432 = 63,264,432 : x
  2. Step 2: Convert to fraction form
    40,837,790/63,264,432 = 63,264,432/x
  3. Step 3: Cross multiply
    40,837,790x = 63,264,432 × 63,264,432
  4. Step 4: Simplify right side
    40,837,790x = 4,002,388,356,282,624
  5. Step 5: Solve for x
    x = 4,002,388,356,282,624/40,837,790
  6. Step 6: Final answer
    x = 98,006,977.27

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.