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Finding the Third Proportional to 909,147 and 1,363,720.50

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Solution

The third proportional to 909,147 and 1,363,720.50 is: 2,045,580.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,147 : 1,363,720.50 = 1,363,720.50 : x
  2. Step 2: Convert to fraction form
    909,147/1,363,720.50 = 1,363,720.50/x
  3. Step 3: Cross multiply
    909,147x = 1,363,720.50 × 1,363,720.50
  4. Step 4: Simplify right side
    909,147x = 1,859,733,602,120.25
  5. Step 5: Solve for x
    x = 1,859,733,602,120.25/909,147
  6. Step 6: Final answer
    x = 2,045,580.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.