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Finding the Third Proportional to 434,973.38 and 665,460.56

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Solution

The third proportional to 434,973.38 and 665,460.56 is: 1,018,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,973.38 : 665,460.56 = 665,460.56 : x
  2. Step 2: Convert to fraction form
    434,973.38/665,460.56 = 665,460.56/x
  3. Step 3: Cross multiply
    434,973.38x = 665,460.56 × 665,460.56
  4. Step 4: Simplify right side
    434,973.38x = 442,837,760,242.82
  5. Step 5: Solve for x
    x = 442,837,760,242.82/434,973.38
  6. Step 6: Final answer
    x = 1,018,080.15

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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.