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Finding the Third Proportional to 357,961.50 and 771,970.50

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Solution

The third proportional to 357,961.50 and 771,970.50 is: 1,664,811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,961.50 : 771,970.50 = 771,970.50 : x
  2. Step 2: Convert to fraction form
    357,961.50/771,970.50 = 771,970.50/x
  3. Step 3: Cross multiply
    357,961.50x = 771,970.50 × 771,970.50
  4. Step 4: Simplify right side
    357,961.50x = 595,938,452,870.25
  5. Step 5: Solve for x
    x = 595,938,452,870.25/357,961.50
  6. Step 6: Final answer
    x = 1,664,811.59

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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.