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Finding the Third Proportional to 20,598,799.50 and 31,163,312.50

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Solution

The third proportional to 20,598,799.50 and 31,163,312.50 is: 47,146,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598,799.50 : 31,163,312.50 = 31,163,312.50 : x
  2. Step 2: Convert to fraction form
    20,598,799.50/31,163,312.50 = 31,163,312.50/x
  3. Step 3: Cross multiply
    20,598,799.50x = 31,163,312.50 × 31,163,312.50
  4. Step 4: Simplify right side
    20,598,799.50x = 971,152,045,972,656.25
  5. Step 5: Solve for x
    x = 971,152,045,972,656.25/20,598,799.50
  6. Step 6: Final answer
    x = 47,146,050.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.