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Finding the Third Proportional to 78,211,201 and 118,323,442.50

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Solution

The third proportional to 78,211,201 and 118,323,442.50 is: 179,008,081.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,211,201 : 118,323,442.50 = 118,323,442.50 : x
  2. Step 2: Convert to fraction form
    78,211,201/118,323,442.50 = 118,323,442.50/x
  3. Step 3: Cross multiply
    78,211,201x = 118,323,442.50 × 118,323,442.50
  4. Step 4: Simplify right side
    78,211,201x = 14,000,437,045,050,806
  5. Step 5: Solve for x
    x = 14,000,437,045,050,806/78,211,201
  6. Step 6: Final answer
    x = 179,008,081.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.