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Finding the Third Proportional to 760,800 and 1,177,392

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Solution

The third proportional to 760,800 and 1,177,392 is: 1,822,097.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,800 : 1,177,392 = 1,177,392 : x
  2. Step 2: Convert to fraction form
    760,800/1,177,392 = 1,177,392/x
  3. Step 3: Cross multiply
    760,800x = 1,177,392 × 1,177,392
  4. Step 4: Simplify right side
    760,800x = 1,386,251,921,664
  5. Step 5: Solve for x
    x = 1,386,251,921,664/760,800
  6. Step 6: Final answer
    x = 1,822,097.69

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.