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Finding the Third Proportional to 501,276 and 767,790

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Solution

The third proportional to 501,276 and 767,790 is: 1,176,001.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,276 : 767,790 = 767,790 : x
  2. Step 2: Convert to fraction form
    501,276/767,790 = 767,790/x
  3. Step 3: Cross multiply
    501,276x = 767,790 × 767,790
  4. Step 4: Simplify right side
    501,276x = 589,501,484,100
  5. Step 5: Solve for x
    x = 589,501,484,100/501,276
  6. Step 6: Final answer
    x = 1,176,001.81

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.