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Finding the Third Proportional to 87,854,648.63 and 128,547,972.56

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Solution

The third proportional to 87,854,648.63 and 128,547,972.56 is: 188,090,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,854,648.63 : 128,547,972.56 = 128,547,972.56 : x
  2. Step 2: Convert to fraction form
    87,854,648.63/128,547,972.56 = 128,547,972.56/x
  3. Step 3: Cross multiply
    87,854,648.63x = 128,547,972.56 × 128,547,972.56
  4. Step 4: Simplify right side
    87,854,648.63x = 16,524,581,249,929,252
  5. Step 5: Solve for x
    x = 16,524,581,249,929,252/87,854,648.63
  6. Step 6: Final answer
    x = 188,090,004.44

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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.