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Finding the Third Proportional to 370,395 and 554,008.50

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Solution

The third proportional to 370,395 and 554,008.50 is: 828,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,395 : 554,008.50 = 554,008.50 : x
  2. Step 2: Convert to fraction form
    370,395/554,008.50 = 554,008.50/x
  3. Step 3: Cross multiply
    370,395x = 554,008.50 × 554,008.50
  4. Step 4: Simplify right side
    370,395x = 306,925,418,072.25
  5. Step 5: Solve for x
    x = 306,925,418,072.25/370,395
  6. Step 6: Final answer
    x = 828,643.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.