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Finding the Third Proportional to 7,976,242 and 17,547,428

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Solution

The third proportional to 7,976,242 and 17,547,428 is: 38,603,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976,242 : 17,547,428 = 17,547,428 : x
  2. Step 2: Convert to fraction form
    7,976,242/17,547,428 = 17,547,428/x
  3. Step 3: Cross multiply
    7,976,242x = 17,547,428 × 17,547,428
  4. Step 4: Simplify right side
    7,976,242x = 307,912,229,415,184
  5. Step 5: Solve for x
    x = 307,912,229,415,184/7,976,242
  6. Step 6: Final answer
    x = 38,603,671.93

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.