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Finding the Third Proportional to 308,939,130 and 466,281,661.50

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Solution

The third proportional to 308,939,130 and 466,281,661.50 is: 703,758,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,939,130 : 466,281,661.50 = 466,281,661.50 : x
  2. Step 2: Convert to fraction form
    308,939,130/466,281,661.50 = 466,281,661.50/x
  3. Step 3: Cross multiply
    308,939,130x = 466,281,661.50 × 466,281,661.50
  4. Step 4: Simplify right side
    308,939,130x = 217,418,587,851,200,576
  5. Step 5: Solve for x
    x = 217,418,587,851,200,576/308,939,130
  6. Step 6: Final answer
    x = 703,758,659.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.