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Finding the Third Proportional to 58,415 and 88,778

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Solution

The third proportional to 58,415 and 88,778 is: 134,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,415 : 88,778 = 88,778 : x
  2. Step 2: Convert to fraction form
    58,415/88,778 = 88,778/x
  3. Step 3: Cross multiply
    58,415x = 88,778 × 88,778
  4. Step 4: Simplify right side
    58,415x = 7,881,533,284
  5. Step 5: Solve for x
    x = 7,881,533,284/58,415
  6. Step 6: Final answer
    x = 134,923.11

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.