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Finding the Third Proportional to 342,572,040 and 488,348,886

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Solution

The third proportional to 342,572,040 and 488,348,886 is: 696,159,074.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,572,040 : 488,348,886 = 488,348,886 : x
  2. Step 2: Convert to fraction form
    342,572,040/488,348,886 = 488,348,886/x
  3. Step 3: Cross multiply
    342,572,040x = 488,348,886 × 488,348,886
  4. Step 4: Simplify right side
    342,572,040x = 238,484,634,457,440,992
  5. Step 5: Solve for x
    x = 238,484,634,457,440,992/342,572,040
  6. Step 6: Final answer
    x = 696,159,074.91

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.