Home / 30,528,920.25-66,439,905.75

Finding the Third Proportional to 30,528,920.25 and 66,439,905.75

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Solution

The third proportional to 30,528,920.25 and 66,439,905.75 is: 144,592,767.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528,920.25 : 66,439,905.75 = 66,439,905.75 : x
  2. Step 2: Convert to fraction form
    30,528,920.25/66,439,905.75 = 66,439,905.75/x
  3. Step 3: Cross multiply
    30,528,920.25x = 66,439,905.75 × 66,439,905.75
  4. Step 4: Simplify right side
    30,528,920.25x = 4,414,261,076,068,883
  5. Step 5: Solve for x
    x = 4,414,261,076,068,883/30,528,920.25
  6. Step 6: Final answer
    x = 144,592,767.77

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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.