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Finding the Third Proportional to 19,966,813 and 28,533,037

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Solution

The third proportional to 19,966,813 and 28,533,037 is: 40,774,368.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966,813 : 28,533,037 = 28,533,037 : x
  2. Step 2: Convert to fraction form
    19,966,813/28,533,037 = 28,533,037/x
  3. Step 3: Cross multiply
    19,966,813x = 28,533,037 × 28,533,037
  4. Step 4: Simplify right side
    19,966,813x = 814,134,200,443,369
  5. Step 5: Solve for x
    x = 814,134,200,443,369/19,966,813
  6. Step 6: Final answer
    x = 40,774,368.97

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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.