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Finding the Third Proportional to 638,725 and 1,001,971.50

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Solution

The third proportional to 638,725 and 1,001,971.50 is: 1,571,798.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,725 : 1,001,971.50 = 1,001,971.50 : x
  2. Step 2: Convert to fraction form
    638,725/1,001,971.50 = 1,001,971.50/x
  3. Step 3: Cross multiply
    638,725x = 1,001,971.50 × 1,001,971.50
  4. Step 4: Simplify right side
    638,725x = 1,003,946,886,812.25
  5. Step 5: Solve for x
    x = 1,003,946,886,812.25/638,725
  6. Step 6: Final answer
    x = 1,571,798.33

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.