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Finding the Third Proportional to 8,937,942 and 18,948,432

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Solution

The third proportional to 8,937,942 and 18,948,432 is: 40,170,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937,942 : 18,948,432 = 18,948,432 : x
  2. Step 2: Convert to fraction form
    8,937,942/18,948,432 = 18,948,432/x
  3. Step 3: Cross multiply
    8,937,942x = 18,948,432 × 18,948,432
  4. Step 4: Simplify right side
    8,937,942x = 359,043,075,258,624
  5. Step 5: Solve for x
    x = 359,043,075,258,624/8,937,942
  6. Step 6: Final answer
    x = 40,170,665.16

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.