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Finding the Third Proportional to 78,980,026 and 119,311,575

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Solution

The third proportional to 78,980,026 and 119,311,575 is: 180,238,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,980,026 : 119,311,575 = 119,311,575 : x
  2. Step 2: Convert to fraction form
    78,980,026/119,311,575 = 119,311,575/x
  3. Step 3: Cross multiply
    78,980,026x = 119,311,575 × 119,311,575
  4. Step 4: Simplify right side
    78,980,026x = 14,235,251,928,980,624
  5. Step 5: Solve for x
    x = 14,235,251,928,980,624/78,980,026
  6. Step 6: Final answer
    x = 180,238,633.11

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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.