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Finding the Third Proportional to 528,125 and 1,140,438.50

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Solution

The third proportional to 528,125 and 1,140,438.50 is: 2,462,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,125 : 1,140,438.50 = 1,140,438.50 : x
  2. Step 2: Convert to fraction form
    528,125/1,140,438.50 = 1,140,438.50/x
  3. Step 3: Cross multiply
    528,125x = 1,140,438.50 × 1,140,438.50
  4. Step 4: Simplify right side
    528,125x = 1,300,599,972,282.25
  5. Step 5: Solve for x
    x = 1,300,599,972,282.25/528,125
  6. Step 6: Final answer
    x = 2,462,674.50

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.