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Finding the Third Proportional to 242,710 and 528,031

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Solution

The third proportional to 242,710 and 528,031 is: 1,148,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,710 : 528,031 = 528,031 : x
  2. Step 2: Convert to fraction form
    242,710/528,031 = 528,031/x
  3. Step 3: Cross multiply
    242,710x = 528,031 × 528,031
  4. Step 4: Simplify right side
    242,710x = 278,816,736,961
  5. Step 5: Solve for x
    x = 278,816,736,961/242,710
  6. Step 6: Final answer
    x = 1,148,764.93

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.