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Finding the Third Proportional to 8,031,476 and 12,235,428

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Solution

The third proportional to 8,031,476 and 12,235,428 is: 18,639,873.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031,476 : 12,235,428 = 12,235,428 : x
  2. Step 2: Convert to fraction form
    8,031,476/12,235,428 = 12,235,428/x
  3. Step 3: Cross multiply
    8,031,476x = 12,235,428 × 12,235,428
  4. Step 4: Simplify right side
    8,031,476x = 149,705,698,343,184
  5. Step 5: Solve for x
    x = 149,705,698,343,184/8,031,476
  6. Step 6: Final answer
    x = 18,639,873.71

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.