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Finding the Third Proportional to 561,424.50 and 912,210.75

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Solution

The third proportional to 561,424.50 and 912,210.75 is: 1,482,173.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,424.50 : 912,210.75 = 912,210.75 : x
  2. Step 2: Convert to fraction form
    561,424.50/912,210.75 = 912,210.75/x
  3. Step 3: Cross multiply
    561,424.50x = 912,210.75 × 912,210.75
  4. Step 4: Simplify right side
    561,424.50x = 832,128,452,415.56
  5. Step 5: Solve for x
    x = 832,128,452,415.56/561,424.50
  6. Step 6: Final answer
    x = 1,482,173.39

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.