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Finding the Third Proportional to 86,682,571.50 and 118,862,866.50

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Solution

The third proportional to 86,682,571.50 and 118,862,866.50 is: 162,989,869.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,682,571.50 : 118,862,866.50 = 118,862,866.50 : x
  2. Step 2: Convert to fraction form
    86,682,571.50/118,862,866.50 = 118,862,866.50/x
  3. Step 3: Cross multiply
    86,682,571.50x = 118,862,866.50 × 118,862,866.50
  4. Step 4: Simplify right side
    86,682,571.50x = 14,128,381,032,596,822
  5. Step 5: Solve for x
    x = 14,128,381,032,596,822/86,682,571.50
  6. Step 6: Final answer
    x = 162,989,869.68

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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.