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Finding the Third Proportional to 307,920,055.50 and 637,666,566.75

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Solution

The third proportional to 307,920,055.50 and 637,666,566.75 is: 1,320,533,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,920,055.50 : 637,666,566.75 = 637,666,566.75 : x
  2. Step 2: Convert to fraction form
    307,920,055.50/637,666,566.75 = 637,666,566.75/x
  3. Step 3: Cross multiply
    307,920,055.50x = 637,666,566.75 × 637,666,566.75
  4. Step 4: Simplify right side
    307,920,055.50x = 406,618,650,350,732,224
  5. Step 5: Solve for x
    x = 406,618,650,350,732,224/307,920,055.50
  6. Step 6: Final answer
    x = 1,320,533,180.89

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.