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Finding the Third Proportional to 4,387,234 and 6,779,999

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Solution

The third proportional to 4,387,234 and 6,779,999 is: 10,477,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387,234 : 6,779,999 = 6,779,999 : x
  2. Step 2: Convert to fraction form
    4,387,234/6,779,999 = 6,779,999/x
  3. Step 3: Cross multiply
    4,387,234x = 6,779,999 × 6,779,999
  4. Step 4: Simplify right side
    4,387,234x = 45,968,386,440,001
  5. Step 5: Solve for x
    x = 45,968,386,440,001/4,387,234
  6. Step 6: Final answer
    x = 10,477,760.35

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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.