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Finding the Third Proportional to 9,023,428 and 18,790,432

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Solution

The third proportional to 9,023,428 and 18,790,432 is: 39,129,290.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,023,428 : 18,790,432 = 18,790,432 : x
  2. Step 2: Convert to fraction form
    9,023,428/18,790,432 = 18,790,432/x
  3. Step 3: Cross multiply
    9,023,428x = 18,790,432 × 18,790,432
  4. Step 4: Simplify right side
    9,023,428x = 353,080,334,746,624
  5. Step 5: Solve for x
    x = 353,080,334,746,624/9,023,428
  6. Step 6: Final answer
    x = 39,129,290.41

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.