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Finding the Third Proportional to 5,313,915 and 8,459,587.50

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Solution

The third proportional to 5,313,915 and 8,459,587.50 is: 13,467,400.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313,915 : 8,459,587.50 = 8,459,587.50 : x
  2. Step 2: Convert to fraction form
    5,313,915/8,459,587.50 = 8,459,587.50/x
  3. Step 3: Cross multiply
    5,313,915x = 8,459,587.50 × 8,459,587.50
  4. Step 4: Simplify right side
    5,313,915x = 71,564,620,670,156.25
  5. Step 5: Solve for x
    x = 71,564,620,670,156.25/5,313,915
  6. Step 6: Final answer
    x = 13,467,400.34

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.