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Finding the Third Proportional to 141,368.63 and 308,140.88

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Solution

The third proportional to 141,368.63 and 308,140.88 is: 671,653.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,368.63 : 308,140.88 = 308,140.88 : x
  2. Step 2: Convert to fraction form
    141,368.63/308,140.88 = 308,140.88/x
  3. Step 3: Cross multiply
    141,368.63x = 308,140.88 × 308,140.88
  4. Step 4: Simplify right side
    141,368.63x = 94,950,798,845.77
  5. Step 5: Solve for x
    x = 94,950,798,845.77/141,368.63
  6. Step 6: Final answer
    x = 671,653.97

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.