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Finding the Third Proportional to 130,113 and 201,078

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Solution

The third proportional to 130,113 and 201,078 is: 310,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,113 : 201,078 = 201,078 : x
  2. Step 2: Convert to fraction form
    130,113/201,078 = 201,078/x
  3. Step 3: Cross multiply
    130,113x = 201,078 × 201,078
  4. Step 4: Simplify right side
    130,113x = 40,432,362,084
  5. Step 5: Solve for x
    x = 40,432,362,084/130,113
  6. Step 6: Final answer
    x = 310,748.06

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.