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Finding the Third Proportional to 4,585,440 and 9,717,072

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Solution

The third proportional to 4,585,440 and 9,717,072 is: 20,591,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,585,440 : 9,717,072 = 9,717,072 : x
  2. Step 2: Convert to fraction form
    4,585,440/9,717,072 = 9,717,072/x
  3. Step 3: Cross multiply
    4,585,440x = 9,717,072 × 9,717,072
  4. Step 4: Simplify right side
    4,585,440x = 94,421,488,253,184
  5. Step 5: Solve for x
    x = 94,421,488,253,184/4,585,440
  6. Step 6: Final answer
    x = 20,591,587.34

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.