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Finding the Third Proportional to 889,358,490 and 1,931,815,038

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Solution

The third proportional to 889,358,490 and 1,931,815,038 is: 4,196,181,160.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,358,490 : 1,931,815,038 = 1,931,815,038 : x
  2. Step 2: Convert to fraction form
    889,358,490/1,931,815,038 = 1,931,815,038/x
  3. Step 3: Cross multiply
    889,358,490x = 1,931,815,038 × 1,931,815,038
  4. Step 4: Simplify right side
    889,358,490x = 3,731,909,341,042,941,440
  5. Step 5: Solve for x
    x = 3,731,909,341,042,941,440/889,358,490
  6. Step 6: Final answer
    x = 4,196,181,160.92

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.