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Finding the Third Proportional to 28,931,925.50 and 61,890,576.50

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Solution

The third proportional to 28,931,925.50 and 61,890,576.50 is: 132,395,040.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931,925.50 : 61,890,576.50 = 61,890,576.50 : x
  2. Step 2: Convert to fraction form
    28,931,925.50/61,890,576.50 = 61,890,576.50/x
  3. Step 3: Cross multiply
    28,931,925.50x = 61,890,576.50 × 61,890,576.50
  4. Step 4: Simplify right side
    28,931,925.50x = 3,830,443,459,502,352
  5. Step 5: Solve for x
    x = 3,830,443,459,502,352/28,931,925.50
  6. Step 6: Final answer
    x = 132,395,040.89

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.