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Finding the Third Proportional to 476,803.50 and 720,064.50

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Solution

The third proportional to 476,803.50 and 720,064.50 is: 1,087,435.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,803.50 : 720,064.50 = 720,064.50 : x
  2. Step 2: Convert to fraction form
    476,803.50/720,064.50 = 720,064.50/x
  3. Step 3: Cross multiply
    476,803.50x = 720,064.50 × 720,064.50
  4. Step 4: Simplify right side
    476,803.50x = 518,492,884,160.25
  5. Step 5: Solve for x
    x = 518,492,884,160.25/476,803.50
  6. Step 6: Final answer
    x = 1,087,435.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.