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Finding the Third Proportional to 358,415,151 and 779,905,570.50

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Solution

The third proportional to 358,415,151 and 779,905,570.50 is: 1,697,061,904.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,415,151 : 779,905,570.50 = 779,905,570.50 : x
  2. Step 2: Convert to fraction form
    358,415,151/779,905,570.50 = 779,905,570.50/x
  3. Step 3: Cross multiply
    358,415,151x = 779,905,570.50 × 779,905,570.50
  4. Step 4: Simplify right side
    358,415,151x = 608,252,698,896,930,432
  5. Step 5: Solve for x
    x = 608,252,698,896,930,432/358,415,151
  6. Step 6: Final answer
    x = 1,697,061,904.89

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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.