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Finding the Third Proportional to 55,349,221.50 and 121,545,004.50

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Solution

The third proportional to 55,349,221.50 and 121,545,004.50 is: 266,908,688.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,349,221.50 : 121,545,004.50 = 121,545,004.50 : x
  2. Step 2: Convert to fraction form
    55,349,221.50/121,545,004.50 = 121,545,004.50/x
  3. Step 3: Cross multiply
    55,349,221.50x = 121,545,004.50 × 121,545,004.50
  4. Step 4: Simplify right side
    55,349,221.50x = 14,773,188,118,905,020
  5. Step 5: Solve for x
    x = 14,773,188,118,905,020/55,349,221.50
  6. Step 6: Final answer
    x = 266,908,688.48

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.