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Finding the Third Proportional to 1,774,818.84 and 3,885,478.88

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Solution

The third proportional to 1,774,818.84 and 3,885,478.88 is: 8,506,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,818.84 : 3,885,478.88 = 3,885,478.88 : x
  2. Step 2: Convert to fraction form
    1,774,818.84/3,885,478.88 = 3,885,478.88/x
  3. Step 3: Cross multiply
    1,774,818.84x = 3,885,478.88 × 3,885,478.88
  4. Step 4: Simplify right side
    1,774,818.84x = 15,096,946,088,071.27
  5. Step 5: Solve for x
    x = 15,096,946,088,071.27/1,774,818.84
  6. Step 6: Final answer
    x = 8,506,189.88

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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.