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Finding the Third Proportional to 5,390,217 and 7,884,687

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Solution

The third proportional to 5,390,217 and 7,884,687 is: 11,533,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,217 : 7,884,687 = 7,884,687 : x
  2. Step 2: Convert to fraction form
    5,390,217/7,884,687 = 7,884,687/x
  3. Step 3: Cross multiply
    5,390,217x = 7,884,687 × 7,884,687
  4. Step 4: Simplify right side
    5,390,217x = 62,168,289,087,969
  5. Step 5: Solve for x
    x = 62,168,289,087,969/5,390,217
  6. Step 6: Final answer
    x = 11,533,541.06

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.