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Finding the Third Proportional to 4,695,020 and 9,894,440

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Solution

The third proportional to 4,695,020 and 9,894,440 is: 20,851,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695,020 : 9,894,440 = 9,894,440 : x
  2. Step 2: Convert to fraction form
    4,695,020/9,894,440 = 9,894,440/x
  3. Step 3: Cross multiply
    4,695,020x = 9,894,440 × 9,894,440
  4. Step 4: Simplify right side
    4,695,020x = 97,899,942,913,600
  5. Step 5: Solve for x
    x = 97,899,942,913,600/4,695,020
  6. Step 6: Final answer
    x = 20,851,869.20

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.