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Finding the Third Proportional to 521,490 and 1,255,877

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Solution

The third proportional to 521,490 and 1,255,877 is: 3,024,462.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,490 : 1,255,877 = 1,255,877 : x
  2. Step 2: Convert to fraction form
    521,490/1,255,877 = 1,255,877/x
  3. Step 3: Cross multiply
    521,490x = 1,255,877 × 1,255,877
  4. Step 4: Simplify right side
    521,490x = 1,577,227,039,129
  5. Step 5: Solve for x
    x = 1,577,227,039,129/521,490
  6. Step 6: Final answer
    x = 3,024,462.67

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.