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Finding the Third Proportional to 209,506,506.75 and 493,865,008.88

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Solution

The third proportional to 209,506,506.75 and 493,865,008.88 is: 1,164,176,954.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,506,506.75 : 493,865,008.88 = 493,865,008.88 : x
  2. Step 2: Convert to fraction form
    209,506,506.75/493,865,008.88 = 493,865,008.88/x
  3. Step 3: Cross multiply
    209,506,506.75x = 493,865,008.88 × 493,865,008.88
  4. Step 4: Simplify right side
    209,506,506.75x = 243,902,646,991,103,840
  5. Step 5: Solve for x
    x = 243,902,646,991,103,840/209,506,506.75
  6. Step 6: Final answer
    x = 1,164,176,954.57

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.