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Finding the Third Proportional to 216,528,055.88 and 444,534,898.50

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Solution

The third proportional to 216,528,055.88 and 444,534,898.50 is: 912,635,894.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,528,055.88 : 444,534,898.50 = 444,534,898.50 : x
  2. Step 2: Convert to fraction form
    216,528,055.88/444,534,898.50 = 444,534,898.50/x
  3. Step 3: Cross multiply
    216,528,055.88x = 444,534,898.50 × 444,534,898.50
  4. Step 4: Simplify right side
    216,528,055.88x = 197,611,275,984,405,312
  5. Step 5: Solve for x
    x = 197,611,275,984,405,312/216,528,055.88
  6. Step 6: Final answer
    x = 912,635,894.62

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.