Home / 31,280,671.13-68,122,336.50

Finding the Third Proportional to 31,280,671.13 and 68,122,336.50

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Solution

The third proportional to 31,280,671.13 and 68,122,336.50 is: 148,355,280.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280,671.13 : 68,122,336.50 = 68,122,336.50 : x
  2. Step 2: Convert to fraction form
    31,280,671.13/68,122,336.50 = 68,122,336.50/x
  3. Step 3: Cross multiply
    31,280,671.13x = 68,122,336.50 × 68,122,336.50
  4. Step 4: Simplify right side
    31,280,671.13x = 4,640,652,730,219,232
  5. Step 5: Solve for x
    x = 4,640,652,730,219,232/31,280,671.13
  6. Step 6: Final answer
    x = 148,355,280.22

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.