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Finding the Third Proportional to 8,650,970 and 20,421,430

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Solution

The third proportional to 8,650,970 and 20,421,430 is: 48,206,710.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650,970 : 20,421,430 = 20,421,430 : x
  2. Step 2: Convert to fraction form
    8,650,970/20,421,430 = 20,421,430/x
  3. Step 3: Cross multiply
    8,650,970x = 20,421,430 × 20,421,430
  4. Step 4: Simplify right side
    8,650,970x = 417,034,803,244,900
  5. Step 5: Solve for x
    x = 417,034,803,244,900/8,650,970
  6. Step 6: Final answer
    x = 48,206,710.14

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.