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Finding the Third Proportional to 145,895 and 317,352.25

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Solution

The third proportional to 145,895 and 317,352.25 is: 690,307.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,895 : 317,352.25 = 317,352.25 : x
  2. Step 2: Convert to fraction form
    145,895/317,352.25 = 317,352.25/x
  3. Step 3: Cross multiply
    145,895x = 317,352.25 × 317,352.25
  4. Step 4: Simplify right side
    145,895x = 100,712,450,580.06
  5. Step 5: Solve for x
    x = 100,712,450,580.06/145,895
  6. Step 6: Final answer
    x = 690,307.76

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.