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Finding the Third Proportional to 30,280,804 and 66,423,552.50

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Solution

The third proportional to 30,280,804 and 66,423,552.50 is: 145,705,785.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280,804 : 66,423,552.50 = 66,423,552.50 : x
  2. Step 2: Convert to fraction form
    30,280,804/66,423,552.50 = 66,423,552.50/x
  3. Step 3: Cross multiply
    30,280,804x = 66,423,552.50 × 66,423,552.50
  4. Step 4: Simplify right side
    30,280,804x = 4,412,088,326,720,256
  5. Step 5: Solve for x
    x = 4,412,088,326,720,256/30,280,804
  6. Step 6: Final answer
    x = 145,705,785.31

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.