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Finding the Third Proportional to 4,220,850 and 6,539,779

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Solution

The third proportional to 4,220,850 and 6,539,779 is: 10,132,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220,850 : 6,539,779 = 6,539,779 : x
  2. Step 2: Convert to fraction form
    4,220,850/6,539,779 = 6,539,779/x
  3. Step 3: Cross multiply
    4,220,850x = 6,539,779 × 6,539,779
  4. Step 4: Simplify right side
    4,220,850x = 42,768,709,368,841
  5. Step 5: Solve for x
    x = 42,768,709,368,841/4,220,850
  6. Step 6: Final answer
    x = 10,132,724.30

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.