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Finding the Third Proportional to 4,319,738 and 9,280,537

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Solution

The third proportional to 4,319,738 and 9,280,537 is: 19,938,331.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319,738 : 9,280,537 = 9,280,537 : x
  2. Step 2: Convert to fraction form
    4,319,738/9,280,537 = 9,280,537/x
  3. Step 3: Cross multiply
    4,319,738x = 9,280,537 × 9,280,537
  4. Step 4: Simplify right side
    4,319,738x = 86,128,367,008,369
  5. Step 5: Solve for x
    x = 86,128,367,008,369/4,319,738
  6. Step 6: Final answer
    x = 19,938,331.22

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.