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Finding the Third Proportional to 140,553 and 286,312.50

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Solution

The third proportional to 140,553 and 286,312.50 is: 583,230.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,553 : 286,312.50 = 286,312.50 : x
  2. Step 2: Convert to fraction form
    140,553/286,312.50 = 286,312.50/x
  3. Step 3: Cross multiply
    140,553x = 286,312.50 × 286,312.50
  4. Step 4: Simplify right side
    140,553x = 81,974,847,656.25
  5. Step 5: Solve for x
    x = 81,974,847,656.25/140,553
  6. Step 6: Final answer
    x = 583,230.86

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.