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Finding the Third Proportional to 77,051,173 and 105,655,879.50

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Solution

The third proportional to 77,051,173 and 105,655,879.50 is: 144,879,882.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,051,173 : 105,655,879.50 = 105,655,879.50 : x
  2. Step 2: Convert to fraction form
    77,051,173/105,655,879.50 = 105,655,879.50/x
  3. Step 3: Cross multiply
    77,051,173x = 105,655,879.50 × 105,655,879.50
  4. Step 4: Simplify right side
    77,051,173x = 11,163,164,872,918,520
  5. Step 5: Solve for x
    x = 11,163,164,872,918,520/77,051,173
  6. Step 6: Final answer
    x = 144,879,882.27

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.