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Finding the Third Proportional to 9,487,444.50 and 20,803,221

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Solution

The third proportional to 9,487,444.50 and 20,803,221 is: 45,615,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487,444.50 : 20,803,221 = 20,803,221 : x
  2. Step 2: Convert to fraction form
    9,487,444.50/20,803,221 = 20,803,221/x
  3. Step 3: Cross multiply
    9,487,444.50x = 20,803,221 × 20,803,221
  4. Step 4: Simplify right side
    9,487,444.50x = 432,774,003,974,841
  5. Step 5: Solve for x
    x = 432,774,003,974,841/9,487,444.50
  6. Step 6: Final answer
    x = 45,615,445.13

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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.