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Finding the Third Proportional to 9,918,106 and 15,319,331

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Solution

The third proportional to 9,918,106 and 15,319,331 is: 23,661,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918,106 : 15,319,331 = 15,319,331 : x
  2. Step 2: Convert to fraction form
    9,918,106/15,319,331 = 15,319,331/x
  3. Step 3: Cross multiply
    9,918,106x = 15,319,331 × 15,319,331
  4. Step 4: Simplify right side
    9,918,106x = 234,681,902,287,561
  5. Step 5: Solve for x
    x = 234,681,902,287,561/9,918,106
  6. Step 6: Final answer
    x = 23,661,967.55

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.