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Finding the Third Proportional to 12,363,612 and 18,912,590

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Solution

The third proportional to 12,363,612 and 18,912,590 is: 28,930,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363,612 : 18,912,590 = 18,912,590 : x
  2. Step 2: Convert to fraction form
    12,363,612/18,912,590 = 18,912,590/x
  3. Step 3: Cross multiply
    12,363,612x = 18,912,590 × 18,912,590
  4. Step 4: Simplify right side
    12,363,612x = 357,686,060,508,100
  5. Step 5: Solve for x
    x = 357,686,060,508,100/12,363,612
  6. Step 6: Final answer
    x = 28,930,547.20

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.