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Finding the Third Proportional to 4,319,748 and 9,280,551

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Solution

The third proportional to 4,319,748 and 9,280,551 is: 19,938,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319,748 : 9,280,551 = 9,280,551 : x
  2. Step 2: Convert to fraction form
    4,319,748/9,280,551 = 9,280,551/x
  3. Step 3: Cross multiply
    4,319,748x = 9,280,551 × 9,280,551
  4. Step 4: Simplify right side
    4,319,748x = 86,128,626,863,601
  5. Step 5: Solve for x
    x = 86,128,626,863,601/4,319,748
  6. Step 6: Final answer
    x = 19,938,345.21

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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.