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Finding the Third Proportional to 4,779,879 and 10,320,402

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Solution

The third proportional to 4,779,879 and 10,320,402 is: 22,283,136.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779,879 : 10,320,402 = 10,320,402 : x
  2. Step 2: Convert to fraction form
    4,779,879/10,320,402 = 10,320,402/x
  3. Step 3: Cross multiply
    4,779,879x = 10,320,402 × 10,320,402
  4. Step 4: Simplify right side
    4,779,879x = 106,510,697,441,604
  5. Step 5: Solve for x
    x = 106,510,697,441,604/4,779,879
  6. Step 6: Final answer
    x = 22,283,136.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.